Form: EFFECT

Notice of Effectiveness

August 24, 2010

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: August 24, 2010
Accession Number: 0000950123-10-079635
Submission Type: POS AM
CIK: 0001050915
Company Name: QUANTA SERVICES INC
File Number: 333-39744